Study of the esophagus in wild ducks and comparing it structurally and anatomically with the esophagus of cogen chickens. Tikrit J. Vet. Sci. [Internet]. 2024 Dec. 1 [cited 2025 Oct. 22];3(2):108-17. Available from: https://tjvs.tu.edu.iq/index.php/tjvs/article/view/63